Anti freezing-valve



NITED STATES PATENT O FICE.

JOHN H. CASLER AND CHARLES R. HASTINGS, OF BUFFALO, NEW YORK.

ANTlFREEZ-lNG-VALVE.

SPECIFICATION forming part of Letters Patent No. 532,530, dated January15, 1 895. Application filed September 6, 1894. Serial No. 522,272. (Nomodel.)

To all whom it may concern-.- v

Be it known that we, JOHN H. GAsLER and Y CHARLES R. HASTINGS, citizensof the United 1 States, residing at Buffalo, in the county of .teriorparts complete.

Erie and State of New York, have invented certain new and usefulImprovementsin Antifreezing-Valves, of which the following is aspecification.

Our invention relates to certain improvements in anti-freezing valves,whereby the durability of the valve is increased and the working partsare easily'got at for repairs or other purposes, all of which will befully and clearly hereinafter described, and claimed, reference beinghad to the accompanying drawings, in which- Figure 1, is a verticalnearly central section on or about line a a, Fig. 5, showing the in-Fig.2, represents a horizontal section throughline b b, Fig. 1, showingthe position of the valve and other parts while being removed. Fig. 3,represents a horizontalsection on or about line 0 c, Fig. 1, cuttingthrough the valve-stem and valve wedge support. Fig. 4, is a horizontalsection on or about line 01 d, Fig. 1, cutting through the outer caseand the valve. Fig. 5, representsa top or plan view of the completedevice.

Referring to the drawings, 1, represents the upper case. It ispreferably made of cast brass but may be constructed of cast iron orother well known suitable material. At the back of the upper case is anarm 2. Its opposite side is provided with an outlet nozzle 3, and at thetop is a stuffing box 4, of well known construction. This upper case isconnected to the body 5, by means of a screwportion 6, see Fig. 1, wherethe whole construction is shown. At the bottom of the body 5, is securedby a screw portion 6*, the lower or valve case'7, which is constructedof brass or other suitable cast metal and'is provided at one side withan outlet or waste nozzle 8, and an inclined valve seat 9, surroundingthe open-' ing 10. It is also provided with an enlarged chamber 11, anda tapering valve seat 12, through which the inlet water passes up fromthe bottom. At the bottom of the case 7, is a screw portion 13, by whichit is adapted to screw into another pipe or other Water supplyreceptacle. Nearor at the top of the valve case '7, at the rear, is aninclined portion 14, the olfice of which will appear farther on.

The valve stem is usually constructed in several parts, 15, 16 and 17,each part secured to the other by the well known screw portions 18 and18, the portion 18, being shown by dotted lines. (See Fig.1.) On oneside of the valve-stem portion 17, is an inclined projecting lug 19,adapted to move upward or down with the valve stem and in its upwardmovementto come in contact with and slide against the face of theinclined portion 14, as will more clearly hereinafter appear.

The lower end of the valve stem is provided with a substantially conicalvalve 20, made preferably-of india rubber, but any suitable material maybe used. It is secured to the valve-stem by a nut 21, in the usual way,the top resting up against the collar or flange 22.

The upper part 15, of the valve-stem extends through the stuffing boxandis provided with a rectangular opening 23, near the top, throughwhich a bar 24, passes and is pivoted to the top of the arm 2, by a pin25. At one end of the bar 24, is pivoted by a pin 26, the usual screwsocket piece 27, by which a connection is made with a water closet seator other fixtures. The opposite end of the bar 24, is provided with theusual adjustable weight 28, made adjustable along the bar 24, in theordinary way by a set screw 29.

The operation of the device is as follows: In its normal condition thevalve 20, is down in contact with the valve seat 12, thereby closing theinlet 'or water supply. When the valve 20, is lifted upward its side ismoved to the inclined side valve seat 9. At the same instant the wedgeshaped lug 19, comes in contact with the inclined face 14, and therebycauses the valve to press tightly against the side valve seat therebyclosing the waste opening and allowing the inlet water to flow upthrough the chamber 11, around the valve. Now by releasing the valvefrom the force required to raise it, the weighted bar or lever comesinto action and forces the valve down, which operation closes the inletopening and opens the waste opening, thereby allowing the surplus orwaste water to run out, and the valve being down below the freezingpoint there is nothing left above it to freeze.

When it is desired to remove the valve all that is required is to removethe pivoted weighted lever and unscrew the upper case 1, and then turnthe valve stem and its valve half way round so as to bring the lug 19,to the position shown in Fig. 2. It can be easily drawn upward and out.It is returned to its proper place in substantially the same way.

The inclined valve seat 9, and valve 20, may be substantially verticaland still the wedgin g or inclined faced portions 14 and 19, would causethe valve to be pressed closely to the valve seat 9, during the upwardposition of the valve stem, but we prefer the construction shown in Fig.1.

Either one of the inclined faces 14 or 19, may be of anysuitable formfor moving against the inclined face of the other during the upwardmovement of the valve-stem and thereby cause the valve to be pressedclosely against the valve seat 9. It is not therefore absolutelynecessary that both of said faces shall be inclined as above set forth,but we prefer the form heretofore described. It will be further seenthat the lower case and the body portion 5, may be made all in one ifdesired, but our preferred form consists in having the separate partsremovably secured together substantially as above described.

To claim as our invention-- 1. In an anti-freezing valve, thecombination with an upper and lower valve case, of a valve stemextending up through the top valve case and provided with a weighted barextending through its top end and having one end pivoted to an arm onthe upper case and its opposite end provided with a weight, a valve seatbelow the valve and an inclined side valve seat in the lower case, asubstantially conical valve attached to the lower end of the valve stemlocated in the valve chamber, an inclined faced lug on the valve stemand a corresponding inclined faced projection on the valve case,substantially as and for the purposes described.

2. In an anti-freezing valve, a valve stem, an inclined faced luglocated on the valve stem, a valve at its lower end, and means at itsupper end for operating it, in combination with a valve case having acorrespondingly inclined faced projection against which the inclinedface ofthe lug on the valve stem operates, and an enlarged chamber forthe valve to operate in, a lower valve seat adapted to receive thebottom of the valve and a side

